#shadow {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 1000;
}

body {
  width: 100vw;
  height: 100vh;
  margin: 0px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.quarter-container {
  position: relative;
  width: calc(50% - 20px);
  height: calc(50% - 20px);
  outline: 1px solid #000;
  padding: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.quarter-main-box {
  position: relative;
  width: 90%;
  height: 90%;
}

.main-box {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
  height: 100%;
}

.circle-box {
  width: 120px;
  height: 120px;
  position: fixed;
  border-radius: 100px;
  box-shadow: 0px 0px 10px #00000080;
}

#logo-box {
  background-color: #fff;
  top: calc(50vh - 60px);
  left: calc(50vw - 60px);
  z-index: 1001;
  transition: all 1.5s;
}

#logo-box * {
  pointer-events: none;
  user-select: none;
}

.circle-box:hover {
  transform: rotateZ(360deg);
}

.logo {
  width: 120px;
  height: 120px;
  background-color: #fff;
  border-radius: 60px;
  display: flex;
  justify-content: center;
  align-content: center;
  flex-wrap: wrap
}

#menu-box {
  display: flex;
  flex-wrap: wrap;
  overflow: hidden;
  border-radius: 200px;
  position: absolute;
  width: 120px;
  height: 120px;
  top: 0px;
  left: 0px;
  transition: all 1.5s;
}

.circle-box:hover #menu-box {
  transform: scale3d(2, 2, 2);
}

#menu-box .quarter-container {
  outline:none;
}

.menu-item-left-top {
  transform: rotate(-45deg);
}

.menu-item-right-top {
  transform: rotate(45deg);
}

.menu-item-left-bottom {
  transform: rotate(45deg);
}

.menu-item-right-bottom {
  transform: rotate(-45deg);
}